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Aguilar-Llanos E, Carrera-Pacheco SE, González-Pastor R, Zúñiga-Miranda J, Rodríguez-Pólit C, Mayorga-Ramos A, Carrillo-Naranjo O, Guamán LP, Romero-Benavides JC, Cevallos-Morillo C, Echeverría GA, Piro OE, Alcívar-León CD, Heredia-Moya J. Crystal Structure, Hirshfeld Surface Analysis, and Biological Activities of Schiff-Base Derivatives of 4-Aminoantipyrine. ACS OMEGA 2023; 8:42632-42646. [PMID: 38024734 PMCID: PMC10652364 DOI: 10.1021/acsomega.3c05372] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 09/26/2023] [Indexed: 12/01/2023]
Abstract
Eight Schiff bases, synthesized by the reaction of 4-aminoantipyrine with different cinnamaldehydes, were studied in the solid state by using vibrational spectroscopy (IR) and X-ray diffraction techniques. The analysis was extended to the solution phase through ultraviolet-vis, fluorescence spectroscopy, and cyclic voltammetry. Finally, the crystal structures of four compounds (3b, 3d, 3g, and 3h) were determined and studied. In addition to the experimental study, theoretical calculations using the semiempirical method PM6/ZDO were performed to understand better the compound's molecular properties, UV-vis, and infrared spectra. The primary difference is the angular conformation of the terminal phenyl rings around the corresponding linking C-N and C-C σ-bonds. Furthermore, as a result of extended bonding, the > C=N- azomethine group-containing Cpyr-N=(CH)-(CR)=(CH)-Cbz chain (with R=H for 3b, 3d, and 3h, and R=CH3 for 3g) is planar, nearly coplanar, with the mean plane of the pyrazole ring. Hirshfeld surface (HS) analysis was used to investigate the crystal packing and intermolecular interactions, which revealed that intermolecular C-H···O and C-H···N hydrogen bonds, π···π stacking, and C-H···π and C=O···π interactions stabilize the compounds. The energy contributions to the lattice energies of potential hydrogen bonds were primarily dispersive and repulsive. All derivatives were tested in vitro on LPS-stimulated mouse macrophages to assess their ability to suppress the LPS-induced inflammatory responses. Only a slight reduction in the level of NO production was found in activated macrophages treated with 3h. Additionally, the derivatives were tested for antimicrobial activity against several clinical bacteria and fungi strains, including three biofilm-forming microorganisms. Nevertheless, only Schiff base 3f showed interesting antibacterial activities with minimum inhibitory concentration (MIC) values as low as 15.6 μM against Enterobacter gergoviae. On the other hand, Schiff base 3f and, to a lesser extent, 3b and 3h showed antifungal activity against clinical isolates of Candida. The lowest MIC value was for 3f against Candida albicans (15.6 μM). It is interesting to note that the same Schiff bases exhibit the highest activity in both biological evaluations.
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Affiliation(s)
- Esteban Aguilar-Llanos
- Facultad
de Ciencias Químicas, Universidad
Central del Ecuador, Francisco Viteri s/n y Gilberto Gato Sobral, Quito 170521, Ecuador
| | - Saskya E. Carrera-Pacheco
- Centro
de Investigación Biomédica (CENBIO), Facultad de Ciencias
de la Salud Eugenio Espejo, Universidad
UTE, Quito 170527, Ecuador
| | - Rebeca González-Pastor
- Centro
de Investigación Biomédica (CENBIO), Facultad de Ciencias
de la Salud Eugenio Espejo, Universidad
UTE, Quito 170527, Ecuador
| | - Johana Zúñiga-Miranda
- Centro
de Investigación Biomédica (CENBIO), Facultad de Ciencias
de la Salud Eugenio Espejo, Universidad
UTE, Quito 170527, Ecuador
| | - Cristina Rodríguez-Pólit
- Centro
de Investigación Biomédica (CENBIO), Facultad de Ciencias
de la Salud Eugenio Espejo, Universidad
UTE, Quito 170527, Ecuador
| | - Arianna Mayorga-Ramos
- Centro
de Investigación Biomédica (CENBIO), Facultad de Ciencias
de la Salud Eugenio Espejo, Universidad
UTE, Quito 170527, Ecuador
| | - Oscar Carrillo-Naranjo
- Centro
de Investigación Biomédica (CENBIO), Facultad de Ciencias
de la Salud Eugenio Espejo, Universidad
UTE, Quito 170527, Ecuador
| | - Linda P. Guamán
- Centro
de Investigación Biomédica (CENBIO), Facultad de Ciencias
de la Salud Eugenio Espejo, Universidad
UTE, Quito 170527, Ecuador
| | - Juan Carlos Romero-Benavides
- Departamento
de Química, Facultad de Ciencias Exactas y Naturales, Universidad Técnica Particular de Loja, Loja 1101608, Ecuador
| | - Carlos Cevallos-Morillo
- Facultad
de Ciencias Químicas, Universidad
Central del Ecuador, Francisco Viteri s/n y Gilberto Gato Sobral, Quito 170521, Ecuador
| | - Gustavo A. Echeverría
- Departamento
de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata and Institute IFLP (CONICET, CCT-La
Plata), C. C. 67, La Plata 1900, Argentina
| | - Oscar E. Piro
- Departamento
de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata and Institute IFLP (CONICET, CCT-La
Plata), C. C. 67, La Plata 1900, Argentina
| | - Christian D. Alcívar-León
- Facultad
de Ciencias Químicas, Universidad
Central del Ecuador, Francisco Viteri s/n y Gilberto Gato Sobral, Quito 170521, Ecuador
| | - Jorge Heredia-Moya
- Centro
de Investigación Biomédica (CENBIO), Facultad de Ciencias
de la Salud Eugenio Espejo, Universidad
UTE, Quito 170527, Ecuador
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Jayasri B, Rajeshwari K, Vasantha P, Anantha Lakshmi PV. Ternary Cobalt (II)-Metformin-Glycine/Histidine/Proline Complexes: Multispectroscopic DNA, HSA, and BSA Interaction and Cytotoxicity Studies. Biol Trace Elem Res 2023; 201:5481-5499. [PMID: 36856949 DOI: 10.1007/s12011-023-03606-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 02/21/2023] [Indexed: 03/02/2023]
Abstract
The synthesized water-soluble ternary complexes [Co(met)(gly)(Cl)2] (1), [Co(met)(hist)(Cl)2] (2), and [Co(met)(pro)(Cl)2] (3), (met = metformin, gly = glycine, hist = histidine, and pro = proline) were evaluated using spectro-analytical techniques, and the stereochemistry of the complexes was determined to be octahedral. UV-Vis absorption, competitive DNA-binding experiments using ethidium bromide (EB) by fluorescence, fluorescence emission studies, viscosity studies, and gel electrophoresis techniques were all employed to explore the binding characteristics of the cobalt (II) complexes with CT-DNA and groove-binding mechanism established. The salt-dependent association of the complexes to CT-DNA was investigated using UV-Vis spectrophotometric analysis. The association of the cobalt (II) complexes with BSA and HSA was explored by utilizing UV-Vis absorption and fluorescence spectroscopy approaches. The findings show that the complexes exhibit adequate capacity to quench BSA and HSA fluorescence and that the binding response is mostly a static quenching mechanism. The cytotoxicity of the complexes has also been appraised with the human breast adenocarcinoma cell lines (MCF-7) and (MDA-MB-231) by utilizing the MTT assay. For each cell line, the IC50 values were computed. In both cell lines, all the complexes were active.
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Affiliation(s)
- B Jayasri
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, India, 500007
| | - K Rajeshwari
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, India, 500007
| | - P Vasantha
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, India, 500007
| | - P V Anantha Lakshmi
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, India, 500007.
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Zhang F, Zhou H, Yuan J, Li Q, Diao Y, Sun X, Zhang L, Lin Y, Du L. ®Optimization of the Hydrolysis Reaction Process in the Synthesis of 4‐Aminoantipyrine by Response Surface Methodology and its Kinetics. ChemistrySelect 2023. [DOI: 10.1002/slct.202203492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Affiliation(s)
- Fuyue Zhang
- College of Chemical Engineering Qingdao University of Science and Technology, Qingdao Shandong, SD 532 China
| | - Haoyu Zhou
- College of Chemical Engineering Qingdao University of Science and Technology, Qingdao Shandong, SD 532 China
| | - Jinqiu Yuan
- College of Chemical Engineering Qingdao University of Science and Technology, Qingdao Shandong, SD 532 China
| | - Qinghui Li
- College of Chemical Engineering Qingdao University of Science and Technology, Qingdao Shandong, SD 532 China
| | - Yanwei Diao
- College of Environment and Safety Engineering Qingdao University of Science and Technology, Qingdao Shandong, SD 532 China
| | - Xiaoyan Sun
- College of Chemical Engineering Qingdao University of Science and Technology, Qingdao Shandong, SD 532 China
| | - Liangjie Zhang
- College of Chemical Engineering Qingdao University of Science and Technology, Qingdao Shandong, SD 532 China
| | - Yuhang Lin
- College of Environment and Safety Engineering Qingdao University of Science and Technology, Qingdao Shandong, SD 532 China
| | - Lei Du
- College of Chemical Engineering Qingdao University of Science and Technology, Qingdao Shandong, SD 532 China
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Nambigari N, Kodipaka A, Vuradi RK, Airva PK, Sirasani S. A Biophysical Study of Ru(II) Polypyridyl Complex, Properties and its Interaction with DNA. J Fluoresc 2022; 32:1211-1228. [PMID: 35353277 DOI: 10.1007/s10895-021-02879-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/17/2021] [Indexed: 10/18/2022]
Abstract
Mononuclear Ru(II)Polypyridyl complexes of type [Ru(A)2BPIIP] (ClO4)2.2H2O, where BPIIP = 2-(3-(4-bromophenyl)isoxazole-5-yl)-1 H-imidazo [4,5-f] [1, 10] phenanthroline and A = bpy = bipyridyl (1), phen = 1,10 Phenanthroline (2), dmb = 4, 4' -dimethyl 2, 2'- bipyridine (3) & dmp = 4,4'-dimethyl-1,10 -Ortho Phenanthroline (4), were synthesized and their antibacterial activity were examined. The synthesized complexes were characterized and their interaction with DNA was studied using Computational and Biophysical methods (Absorption, emission methods, and viscosity). Molecular modelling studies were carried out for molecular geometry and electronic properties (Frontier molecular orbital HOMO-LUMO). The electrostatic potential surface contours for the complexes were analysed to give their nucleophilic level of sensitivity. The study reveals that the Ru(II) Polypyridyl complexes bind to DNA preponderantly by intercalation. The results recommend that the phen and dmp complex have more effective binding ability than the bpy and dmb, indicating the role of the ancillary ligand in determining their specificity for DNA binding. Further molecular docking studies suggested an octahedral geometry and bind to DNA by preferential binding to Guanine. The docking study additionally sustains the binding constant data acquired with the absorption and emission techniques.The results reveal that the nature of the ancillary Ligand plays a considerable role for the intercalation of the Ru(II) polypyridyl complex to DNA, which subsequently influences the antibacterial activity. Biological studies conducted on Gram-Negative (E.coli and K.pneumonia) and Gram-Positive (S. aureus and E. faecalis) bacteria establish that complex 1 and 2 were considerably active against S. aureus and E. coli.
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Affiliation(s)
- Navaneetha Nambigari
- Department of Chemistry, University College of Science, Osmania University, Saifabad, Telangana State, 500004, India. .,Department of Chemistry, University College of Science, Osmania University, Tarnaka, Telangana State, 500007, India.
| | - Aruna Kodipaka
- Department of Chemistry, University College of Science, Osmania University, Saifabad, Telangana State, 500004, India
| | - Ravi Kumar Vuradi
- Department of Chemistry, University College of Science, Osmania University, Tarnaka, Telangana State, 500007, India
| | - Praveen Kumar Airva
- Department of Biotechnology, Sri Satya Sai University of Technology & Medical Sciences, Bhopal- Indore Road, Opp. Oilfed Plant, Sehore, Madhya Pradesh, 466001, India
| | - Satyanarayana Sirasani
- Department of Chemistry, University College of Science, Osmania University, Tarnaka, Telangana State, 500007, India.
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Preparation of a novel Mixed-Ligand divalent metal complexes from solvent free Synthesized Schiff base derived from 2,6-Diaminopyridine with cinnamaldehyde and 2,2′‐Bipyridine: Characterization and antibacterial activities. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103429] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Kavitha R, Reddy CVR, Sireesha B. Synthesis, spectroscopic and biological activity evaluation of Ni(II), Cu(II) and Zn(II) complexes of schiff base derived from pyridoxal and 4-fluorobenzohydrazide. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2021; 40:845-866. [PMID: 34379029 DOI: 10.1080/15257770.2021.1961271] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
A novel Schiff base ligand, 4-fluoro-N-((3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl)methylene)benzohydrazide (PLFBH) was synthesized by condensationof pyridoxal and 4-fluorobenzohydrazide. Its complexes with Ni(II), Cu(II), and Zn(II) metal ionswere prepared and characterized by spectroscopic IR, 1H-NMR, UV, LC-MS, ESR, and powder XRD studies and by elemental analysis and thermal analysis, molar conductance, and magnetic susceptibility measurements. The results indicate the geometry of the complexes to be hexa coordinate distorted octahedral. Based on the electronic absorption and fluorescence emission spectra and viscosity studies, an intercalative mode of binding of the complexes with CT-DNA was suggested, which was also supported by DNA docking studies. The docking studies of metal complexes with DNA were carried out using Autodock 4.2. The in vitro anticancer assay for the Cu(II)-PLFBH complex was performed to assess the ability of the complex to inhibit human cell proliferation on HeLa human cervical carcinoma cells, MCF-7 human breast carcinoma cells, and A549 human lung carcinoma cells. The Cu(II)-PLFBH complex exhibited moderate to good inhibitory effect on the cancer cell lines studied. The complexes showed good cleavageability toward plasmid pBR322 DNA. The metal complexes were found to show good antibacterial activity against gram positive bacteria, Staphylococcus aureus and Bacillus cereus and gram negative bacteria Escherichia coli and Pseudomonas aeruginosa cultures,while the ligand showed marginal activity.Supplemental data for this article is available online at https://doi.org/10.1080/15257770.2021.1961271 .
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Affiliation(s)
- R Kavitha
- Department of Chemistry, Nizam College, Osmania University, Hyderabad, Telangana, India
| | - Ch Venkata Ramana Reddy
- Department of Chemistry, Jawaharlal Nehru Technological University Hyderabad, Hyderabad, Telangana, India
| | - B Sireesha
- Department of Chemistry, Nizam College, Osmania University, Hyderabad, Telangana, India
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Sakthivel A, Jeyasubramanian K, Thangagiri B, Raja JD. Recent advances in schiff base metal complexes derived from 4-aminoantipyrine derivatives and their potential applications. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128885] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Nagula N, Kunche S, Jaheer M, Mudavath R, Sivan S, Ch SD. Spectro Analytical, Computational and In Vitro Biological Studies of Novel Substituted Quinolone Hydrazone and it’s Metal Complexes. J Fluoresc 2017; 28:225-241. [DOI: 10.1007/s10895-017-2185-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 10/27/2017] [Indexed: 11/28/2022]
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